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Small rectangular relay with silver pins and plastic housing

IDEC Corporation

IDEC Corporation RY4S-ULDC24V 24VDC 11mA 4PDT Relay

SKU CH-Y2EN-GX5XQ

A 24 VDC electromechanical relay with 4PDT silver contacts rated at 5 A and 240 VAC, socket-mountable with 14 pins and operating from -30 °C to 70 °C

  • 4PDT contact form switches four circuits simultaneously
  • Silver contacts deliver reliable conductivity at 5 A rating
  • 24 VDC control voltage suits low-voltage panels
  • 2000 VAC dielectric rating isolates coil from contacts
  • Operating range -30 °C to 70 °C fits harsh environments

24 VDC 4PDT relay for control circuits

This IDEC RY series relay switches four pole double-throw contacts from a 24 VDC coil drawing 11 mA. It is built for general-purpose industrial and automotive control panels where multiple circuits must be toggled by a single low-power signal. The silver contacts are rated for 5 A at 240 VAC, and the unit mounts in a standard 14-pin socket for quick installation and replacement.

Thermals noise and power in normal use

Operating between -30 °C and 70 °C, the relay dissipates minimal heat thanks to a coil resistance of 50 milliohms maximum. No moving-air cooling is required, so the device adds no audible noise to the cabinet. The low 11 mA coil current keeps control-circuit power draw negligible during continuous energised operation.

Behaviour under sustained load

The dielectric rating of 2000 VAC for one minute between contacts and coil is maintained across the full temperature range, ensuring insulation integrity during long duty cycles. Silver contact material resists erosion when switching the rated 5 A load repeatedly, and the socketable design allows straightforward replacement if contact resistance eventually rises. Not suited for applications needing sealed construction or higher voltage isolation than 240 VAC.

Highlights

  • 4PDT contact form switches four circuits simultaneously
  • Silver contacts deliver reliable conductivity at 5 A rating
  • 24 VDC control voltage suits low-voltage panels
  • 2000 VAC dielectric rating isolates coil from contacts
  • Operating range -30 °C to 70 °C fits harsh environments

Specifications

BrandIDEC Corporation

Questions about this item

How do I install the RY4S-ULDC24V relay and what step is often missed?

Plug the 14-pin relay into a compatible socket; the step often missed is confirming the socket pinout matches the 4PDT contact arrangement before applying 24 VDC coil power.

What maintenance or replacement will this relay need over time?

The silver contacts are rated for 5 A at 240 VAC; plan to replace the relay when contact resistance rises or after the rated electrical endurance is reached.

What is the first limit reached under sustained operation?

The coil temperature limit of 70 °C is typically reached first during continuous 5 A loading, especially in high ambient conditions.

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